Julius wilcke



N-FETERS, PMOTO-LITHOGRAPHER, WASHINGTON D C JULI-Us WIfLcKE, forNEWARK,4 NEW inns-nr.v

Letters Param: No. 77,694, daad May 5,1868.

IMPROVEMENT IN PUMPS.

@its rlgehult einen in' in tigers trtttt prima mit making gaat if Uptime.

TO ALL WHOM ITvMAY CONCERN:

Befit known that I, .I ULIUS WILGKE, of-Newarlr, in the county of Essex,'and State of New Jersey, have invented a new and useful Improvement in Pumps, of which the following is a full, clear, and exact description, reference being'had to the accompanying drawing, forming-part of this specication, and in which Figure 1 represents a longitudinal sectional view of apump constructed according .to my improvement,

taken through the valve-cylinder or chamber thereof.

v Figure 2, a transverse sectionof the same through the line a a: in iig. 1.

Figure 3, a'longitudinal sectionof the self-acting valve-portion ofthe pump detached, and showing the valve in a reverse position to that represented lfor iting. 1. y

Figure 4;, longitudinal and end views of the self-acting valve detached; and

Figures 5 and 6 similar `views or diagrams ofmodiiications inthe construction of said valve.

Similar letters of reference indicate corresponding parts. Y

This, 'my improved pump, which is' applicable to raising, or raising and forcing, water or other i'luids, and pumping air or gases, is of a-double-acting character, and embraces a reciprocating piston working in a. cylinder or barrel, communicating at its 'opposite ends with avalve-cylinder or chamber that contains an intermittentlyreciprocating valve, preferably of tubular form, and provided with suitable ports or passages on opposite sides.

of a dividing-diaphragm or disk, and operating ina self-acting manner bythe pressure of the iinid, in its delivery' bythe pump-piston, on thc diaphragm, to control suction, and delivery-ways in or connected with the valvei cylinder or'chamber.

` The invention also consists in a peculiar split cylindrical construction-of such self-acting valve, whereby,- while it is free to operate as' described, the pressure of the Huid serves to expand the same, and keep itftight, without the aid of packing. Y

Referring to figs. 1, A2, 3, and 4 of the-drawing, A represents the pump-cylinder or barrel, carrying within it a. reciprocating piston, driven, through a rod, B, by any suitable power; This' cylinder A is connected, by passages, a a, ator near either. end, with .a valve-cylinder or chamber, C, .of cylindrical form, and provided with inlet-ports, I: b', communicating either with separateisuction-pipes, or one, D,'common to both, and also provided with a delivery-port, c, opening into or communicating with adischarge-pipe, E, that, or a suitable intermediate chamber, may be furnished with a check-valve, d.

Fitted to freely reciprocater lwithin the cylinder A, is a tubular valve, F, open at its ends, which may be cdt away, as at 's s, so as, in the throw of the valve, not to-covr .the passages t ai, and which is constructed with a central or intermediate dividingdisk or diaphragm, e, and is furnished-at itslsides with ports oropemv ings, ff, communicating with or controlling the inletpoits 11 6'., and 'other ports or openings,"g g", communicating alternately with the delivery-port c. l

Now, itjvill'be obvious that the reciprocating action of the-pungp-piston willrserveto throw alternately to opposite ends''of the cylinder C, the valve F, by the water lpreviously sucked intothe pump-barrel being -forced by said piston through either one of the'passages an', and caused to act' uponone side of the diaphragme, and

.the valveiF, .ini'thus being thrown by the pressure o f the fluid alternately in opposite directions, shutting olf the`portforf from communication with the inlet-port bor b on the pressure or delivery side or end of the valve, and opening the other portfo'r f on the suction side thereof,. into communication with the otherinletfpoi-'tt o'to'establish suction at the opposite end ofthe pump-barrel, through the pcrta'or a, for a reverse action of the piston; said valve also, in thnsbeing thrown intermittently andautomatically the pressure of the iiuid in or by the delivery from the pump-barrel as the piston commences its return stroke, opening alterL nately the portsgg into communication with the delivery-port c,a nd the watersthus discharged being prevented from returning by the check-valve d, though this latter valve mayin some cases be dispensed with, y

To prevent loss by leakage, and secure atight yet free iii; to the self-acting reciprocatingvalve'll?, without objectionable or expensive packing, I construct the tubular valve F with a numberof slits or splits, running rore v or less ina longitudinal direction for any suitable distance or distances from the ends of the valve, so that the pressa ure ofthe Huid within the valve will act upon its'split sides to expand orbea-r it againstits cylinder. -In this way' may a tight buteasy t be secured, and in a cheap and 'simple manner, the close character of tlxe valve-cylinder and freedom from outside connections of the valve adding to'its cheapness, simplicity, and exemption from leakageyvihile'tle whole arrangement constitutes; a most eilicient double-acting pump.

If preferred,tl1e construction of the valve'F and its chamberC may be modified by making them of square or other than cylindrical shape in their transverse sections, and having the suction anddelivcy-ports all arranged in o r on the base or one side, asgit were, the self-acting and diaphragmdivided valve not being split or slit, and

4bearingV only on said side orbase, as represented bythe diagrarns in figs. 5-and 6, vwhere the valve is shown in l'controlling suction and delveryfporte'iuthe valvered lines, said valve, on either side-of its dingram,'being Vconstructed either with single ports, as shown in fig. 6, or .withfdouble ports, .as shown in g. 5, controlling the suction 'and delivery-ports of the valve-chamber.

What is here claimed, and desired torbe secured by Letters Patent, lis4 V 1. The combinationfwit'h the` pump-barrel having witliinf it a reciprocating pistonl and val ve-cylinder oticliamber C, connected with the pump-barrel by end-passages, a a', ota loose or' independent valve, F, com structed with anrintermediate diaphragm, c, `and separate suction and dlivery-ports controllingseparate suction and delivery-ports or passages inthe valve-chamber, as the valve is 4sllot by the presente ofv the duid atthe com' mencernentof vtherettirn stroke of tlie piston, substantiallyas specified. y

` '2; The intermittently-reciprocating valve F, .with its `dividingiialihragrn, e, and side inlets and outlets, n V Y lcylinderA by thhepressure of the duid in theVdischarge-stroke of the piston,`as specified, whensaid valve is of tubular or cylindrical form, n n'd madewth 'splits or divisions H, to give to yit an elastic character, essentially as shown 'and described. v y

` JULIUS WILCKE.

:Witnesses "J. W.` Uooms, A. Ln Umane. 

